A teaching unit on fractals for students and teachers in grades 4 to 8, that adults are free to enjoy, designed to introduce students to fractals and the underlying mathematics. It focuses on fractals...More: lessons, discussions, ratings, reviews,...

The chaos game is simple but very interesting. A single die is needed to play the game, and the vertices of an equilateral triangle. Assign two outcomes of the die to each of the 3 vertices. For ex...More: lessons, discussions, ratings, reviews,...

What is a fractal? A definition and a Java applet to help in exploring the Mandelbrot set, redrawing small areas to fill the fractal screen and noticing how the images compare. Also links to other sit...More: lessons, discussions, ratings, reviews,...

Koch's curve is the boundary of the Koch Snowflake obtained by beginning with an equilateral triangle, removing the middle third of each side and replacing it with two sides of a smaller triangle, and...More: lessons, discussions, ratings, reviews,...

The purpose of this lesson is to learn very simple methods to construct fractals, to do and practice some math, to appreciate the beauty of fractals, and finally to have fun with math. The lesson i...More: lessons, discussions, ratings, reviews,...

This is the junior version of Geom-e-Tree. It enables the manipulation of geometric trees with two or three branches. Change angle between branches and change common ratio. Selectable themes draw ...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
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National Science Foundation.